diff --git a/plugins/woocommerce-admin/src/FeaturePlugin.php b/plugins/woocommerce-admin/src/FeaturePlugin.php
index 2e52a7bb674..6a66e9bc783 100644
--- a/plugins/woocommerce-admin/src/FeaturePlugin.php
+++ b/plugins/woocommerce-admin/src/FeaturePlugin.php
@@ -313,5 +313,7 @@ class FeaturePlugin {
 	/**
 	 * Prevent unserializing.
 	 */
-	private function __wakeup() {}
+	public function __wakeup() {
+		die();
+	}
 }